function chart_graphs_apis in Charts and Graphs 6

Return the list of graphing implementations available if no parameter is passed or add a new implementation to the static list.

@staticvar <array> $apis

Parameters

<ChartCanvas> $api_class:

Return value

<string>

2 calls to chart_graphs_apis()

charts_graphs_init in ./charts_graphs.module

Implementation of hook_init().

chart_graphs_get_graph in ./charts_graphs.module

Factory method that allows instantiating of a charting implementation class by implementation name.

File

./charts_graphs.module, line 83

Code

function chart_graphs_apis($api_class = NULL) {
  static $apis = array();
  if (!empty($api_class)) {
    $apis[$api_class->name] = $api_class;
  }
  else {
    return $apis;
  }
}